引证

引证	yǐn zhèng	to cite / to quote / to cite as evidence
引	yǐn	to draw (e.g. a bow) / to pull / to stretch sth / to extend / to lengthen / to involve or implicate in / to attract / to lead / to guide / to leave / to provide evidence or justification for / old unit of distance equal to 10 丈, one-thirtieth of a km or 33.33 meters
证	zhèng	to admonish / variant of 证
证	zhèng	certificate / proof / to prove / to demonstrate / to confirm / variant of 症